Universal Serial Bus (USB) port problems

This topic describes USB port problem symptoms and corrective actions.

  • Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved.
  • See Parts listing, type 7891 to determine which components are CRUs and which components are FRUs.
  • If an action step is preceded by "(Trained service technician only)," that step must be performed only by a trained service technician.
Symptom Action
A USB device does not work. Make sure that:
  • The correct USB device driver is installed.
  • The operating system supports USB devices.


Notices | Terms of use | Privacy | Support